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What are Persistent Organic Pollutants (POPs)? How do they impact the environment and human health? Evaluate the various measures taken by the government to combat Persistent Organic Pollutants (POPs).

Topic: Conservation, environmental pollution and degradation, environmental impact assessment

4. What are Persistent Organic Pollutants (POPs)? How do they impact the environment and human health? Evaluate the various measures taken by the government to combat Persistent Organic Pollutants (POPs). (250 words)

Difficulty level: Tough

Reference: Down to Earth Insights on India

Why the question:

It was once regarded as a miracle chemical to protect against disease and improve global food production. The man who discovered its properties even won a Nobel Prize for medicine. But today, dichlorodiphenyltrichloroethane (DDT) is best known for its devastating effects on the environment, as well as on animal and human health.

Key Demand of the question:

To write about POP, their impact on environment and human health and evaluate the measure taken against them.

Directive word: 

Evaluate – When you are asked to evaluate, you have to pass a sound judgement about the truth of the given statement in the question or the topic based on evidence.  You must appraise the worth of the statement in question. There is scope for forming an opinion here.

Structure of the answer:

Introduction: 

Begin by defining POPs.

Body:

First, mention the harsh impact of the POPs on human health and environment – Exposure to POPs can lead to cancer, damage to central & peripheral nervous systems, diseases of immune system, reproductive disorders and interference with normal infant and child development.

Next, write about the various measures that have been taken to tackle POPs. Evaluate their successes and limitations.

Conclusion:

Conclude by writing a way forward to overcome limitations.